package cn.itcast.order.service;

import cn.itcast.order.client.UserFeign;
import cn.itcast.order.mapper.OrderMapper;
import cn.itcast.order.pojo.Order;
import cn.itcast.order.pojo.User;
import com.alibaba.fastjson.JSON;
import com.netflix.hystrix.contrib.javanica.annotation.DefaultProperties;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixCommand;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

@Service
//@DefaultProperties(defaultFallback="allMethodFallback")
public class OrderService {

    @Autowired
    private OrderMapper orderMapper;

//    @Autowired
//    private RestTemplate restTemplate;

    @Autowired
    private UserFeign userFeign;

//    @HystrixCommand
    public String queryOrderById(Long orderId) {
        // 1.查询订单
        Order order = orderMapper.findById(orderId);
        // 2.远程调用用户微服务http://localhost:8081/user/1  返回User对象
//        User user = restTemplate.getForObject("http://localhost:8081/user/"+order.getUserId(), User.class);
//        User user = restTemplate.getForObject("http://userservice/user/"+order.getUserId(), User.class);
//
        User user = userFeign.queryById(order.getUserId());
//
//
//        3.把用户user对象set到Order对象中
        order.setUser(user);
        // 4.返回
        return JSON.toJSONString(order);
    }

//    //当前降级方法要和原方法参数和返回类型保持一致
//    public String queryOrderByIdFallback(Long orderId){
//
//        return "服务器太忙，请稍后重试.......";
//    }
//
////    全局降级方法
//    public String allMethodFallback(){
//        return "服务器太太太太太太忙，请稍后重试.......";
//    }


}
